10-12 Exercise: A water supply company

1 like 0 dislike
21.1k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 21.1k views

91 Answers

0 like 0 dislike 
Hidden content!
#include    *  *    ** * 

int main()

{
* * **  *        * * ** * * n,sum;
 *  **    **** **** * *** **  ***    *** **

*** **** **  **   * *  * * * **    (n<=30)
   *** * *** ******* ****** *  ** 
*** ****  **  *  * ******* *** * ** **   %.2f",sum);}

  *   ** *   ***   *  **  * * if (n<=50)
  *** ***  *   * ***  ***   *  *    *  *******   
**     * *  *   ** ** *  *      *** %.2f",sum);}

 *  ** ***   *  *** ***   * *  if (n<=60)
 *    ** * * ** ***    *  *  ** *  *** **** * *  ***  * 
 **  **    * * *       **  * * *  * **   %.2f",sum);}

***    **** ***   *  * ***
*** * * ** * *  * *  ** * * *  *  *   *** **   ** *** 
**  * ** * *    * * *  * **** ** *  ** %.2f",sum);}

**   **     * ***** * **  *     0;

}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
****  *** *** **    * * *   wc;
*  **    *****    *  *      total=0;
**** *  ** **  * * **  * ***    tab1;
       ** ***  * **  * tab2;
**    *  * **** *** * * **   nt1;
** **   *** **** ** ****** nt;
 
* * *   *   * ***** *   * *   * *  *      *  * * * *   * 
    
** *** *    ******  *    ****  * (wc<30)
    {
    ***  **  * **  *** **********  *   *** ** ***   *    *  *  * ** 
    }
    
 *** **  **  *   * **** * * **   ** **    ***  *  ** * * **
  *** ***  *    *    **  **  ****
** *** ****   * **** *  *    * **  * **** *  **** **   * ** ** * 
**   *  ** *  ** ** ****  *   **   *** *** * *   *    ** *    *  ******
 ***   *  *   * * **    ****   *    * ** **  **   * **  **  (nt>20)
 ** *    * * *** **   *    *  * **  *** * * * *  ** *  * 
 *** **    ***  **  *  * *** *      ***   *   ****     **  * *  ** *  * *  ** * ** * * ***   *  * * 
*  *** **  *  ***   *   **** ***   **  * ** * *   
** * *** ****** *  *** **    *  ***   ***   **  *  ***
*   *  *** **  * * * ** ***       *** *** *** ** *   ** * 
**   * *  * ***   **  **  *  * **  *** *  * * *     **    ****  **** ** *  ** * **     ***   **
** *** *******    *** *  *   **    **    **** *  *  *
*** * ***  **   *** * ** ***    * * **  **  ** **    *  **   *   
    }
    
*  * ******** ** * *  **** ****   *  **  ** 
  *   ** * * **    *         **** * * *  
  ***  ***  *     *   *   * **     ** *** * * *** * * * ** **     * *
  **  *     **     *** ** *** ** *  ****  *  ****  ** **  ********* * *  * ** *** ******     *  
 *   ****  *****  *  * ** * * * **  * * *
    
   * ** ****     **  **   *  *  * *** *  %.2f",total);
   
*  *** * *  ** *  ** *  ***  *** 0;
}
answered by (-193 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
   ******  * **   *  * * **   * wc;
****** *   *  *     * *         total=0;
 **  ** * **** * ***********  *  * tab1;
 * ** *    **** *       * * **   tab2;
  ***  ** ** **   ***   *    nt1;
 * **    *** *    *  **** *   nt;
 
 ****     **    *** *  * * ** * *  ** **  *        *
    
 * *  ** ****  * ** *   (wc<30)
    {
 ****   ***** ***  * ** ** *****  *  *** *   **  **** * ***  *  **   
    }
    
* ** * * **  ****    *  ** *     ***** *  ** * ******  
    {
*** ********    * **  **** *** ****  * ***  **  **     * *  * 
**    * *    * ** *****     *  * ** *     ***   **   *   *
 *  * *  * **** *   * ****  **  * ****** ****** *** * *  *  (nt>20)
** ***    *     *  * *  **   **    *     * **** *  ******
  *     ****      ** **  *****  ****** * **  *  ** ******* *****  **   *   ****   ***  *  
*  *** *** ** ***  *   **  *** *    **  * *  * **** ** * * 
*   *** *    * ** *** *** * *   **** ****      
**    ***** * *** ****  ****  * * *   **     *  * ** *
 *   * *    ******   **** * *      *    * *  ***   *** **  **  **    *   *   * *** ** 
  *  **  *  **   ****  *  *** * * *  *    ***      * * *
*  *  * ***   ***  * *    ** * *** *** **  *      **  ** * ** **** * *  
    }
    
  ** **  *   **** **** **     *****  **
 *    **   *   *  *** *  * ** **  ***
** * *  ***** ***   * *  *          *** *****   * * *   *** * ** *  * *  *
**  **  **  * * ***    **   ******  * **** ** ***   **     * **  ***  *****     ***** * *  ***
     *****   **** *      * *  *  **    * *
    
* ****  ** *   **  *  * **  * *  *** **      ** * * *
   
 * ***  **       ** * * *   ****  * * 0;
}
answered by (-193 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
** *  *****   *   * ** *   * wc;
***    **   *  *  *** *    total=0;
 **   *** ** *     **  *   *  tab1;
* *   * *  * *   * *     * ** tab2;
 ** *  * ******  *    * *** nt1;
***  **    *     * *   ****   nt;
 
    ** *    *    *** ***** * *  **  **  * ***   *       
    
**** ****       *   * **   (wc<30)
    {
** *********** * ** *  *         ***    *    ***  ***  *   **   
    }
    
*   ** * ** *     ***   *** *  *  ** *** *  **  *  *  *   
    {
****   **** * * * ** * *  *  * *  ***   *** * **     *   * *  
  ******     **   **** ** * ** **** *  **        * **    **** *
*  ***  *** *   * *     **   *  * *** *    *  * **   * *  (nt>20)
  ***** * ****** ** ***   *  * * **        **  *** *
 *** * *** ** *  **  *   ***  * **    * *   **   **  *  ***   * **** *  ******     * ****
 *  *** *   ** * ** *    *  *      * *  *  * ***  *
*    *    * *  *  *  *   * ***    *   ***** **     *
  ** * *  * **  ***   *     *   **    *   *** *   ***** 
 ** *  ******   * ***  * ** *  *  ** ***  * **   ****    ***** *      *   *  *  *  **** * *
*****  * **  * **     *  *     **  *  * *** * *  *** **
  ** * ** *** ***     **  *** **** **   * ******* * ***  * *   
    }
    
  * **  *   **   *  ****  * *  ** ** *   ******
 **  ** **   ** ***** * *  * **   ***  ** *
* ***   * **  *** * ** ******** ****    *  * * *   * ** *   **    *  * **  *
** ** **  *       ****  **     **  * *******  **   ***     * *  * *** ** *** ****  **  
*  * ** *  **    **    ** *  *** * ** *  
    
 **  ****    ** * ****   **  **** ** *  * * * * * 
   
***    *   ****** ***** * *   0;
}
answered by (-193 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
* * *   *   *** **** **    * * unit;
  * * *    ***** * * * *****     ****  ******  *   ** * total_amt, net;
* **      ** ** * ** **
*** ** * *  *  * *** * ** *   **  * *     *  *  *   &unit);
*    * **   * *  *  *  
**  ***  * * **** *  **   * 
* * *   ***   ** *   ** *  *  *   * <= 30)
* ** *   **   ** *** ******
**    *** *** *         ***  *  ***  * * *****    * **    = unit * 0.60;
** *    ** *    *   *
* *    * ****    *   *  ** *
 ****  *    * * * * **  * * if(unit <= 50)
** *    *****   * *  
 *  * *   *    ** * *** **     ***** **   *   = 18 + ((unit-30) * 0.80);
   **   * *   ***  ** *  *
  *** * ****** **  * **   ****  if(unit <= 60)
****  **    **     ****  *
*****  ****      * *    ** * ** ** ** **  *  **   ***** = 38 + ((unit-50) * 1.00);
 * *  ***  * ** * *   * ** 
  *    *   **** *  *   ** **** * if (unit >60)
*  ********** *  * ** *  ** **
*      ****** * * ** ** *      ** * * * * *  **  *  **      =  44 +((unit-60)*1.20);
**  ****  ** *    *  *   **
** * *  ** ***** ** * **** 
***     **  ****** *  * *  * = amt1+amt2+amt3+amt4;
**   *  *** * * *  * * *
*   **     * * *
******    * ***** * * **  ** **  = net+ 10.00;
* ** *** *  * *   * *** ****
********  ***  ****   ***  **  *  *    *   %.2f", total_amt);
* ****  **  *** * * **  **
 *  *    * **  ***  * * * **  **  * 0;
}
answered by (323 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include ****  * * *  *
int main ()
{
    **       ** ***  *** * *  *** waterUsage;
  * *  **  *****  ** *** * cost;

*  **      ** * *   *  ** *** * *** *  * *     * ******   ***  

*  **  * ***   *****  ***    *   *      **  * **       ****   **   * * ** 
 ***** * *   * *  *   * * * **********    ***  * * ** = (waterUsage * 0.6)+ 10;
 *     ***  ****** ***   *  *  * (waterUsage >=30  *   * *  *** waterUsage <50)
*   * * **** * ** *** * *   * ** **  * **  *    *  *** = ((waterUsage-30)* 0.8)+(30 * .6) + 10;
   *****     ** **** **** *** *** **       * *  *  * * * * *******   *
* **   * * * **   *****  *  ***   ** * *  *    * ****    * =    *   **  *** (30*.6) + (20*.8) +10;
****  ** ****  *  ***** ** * * * * *** *   *  ****
*  * *  * ** * *    * ** * * **      *  *      **    *** = *** *  ** ***  **  *  ******* *  + 10;
 * ****     *      * **  **  *** *  *  ** %.2f", cost);

}
answered by (-167 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include   * *** ** * * *
int main ()
{
 * ** *  * *  ******  *   * waterUsage;
  * ** *  * * * ******        *    cost;

 ** ***** ***  ** * ** *********  **      ** *  * *  ** * **

  *******  ** ** *  * ***    ***  *  **    && *   *     * **
* ***  ** *      * *   **** ***  *  * * *   * **  *  *  *    * = (waterUsage * 0.6)+ 10;
 *  ********** *   **    *  (waterUsage >=30   *     **  waterUsage <50)
 * ****  *    *** * ** * * *    ****  *  *****  *  * *   * ****  *   = ((waterUsage-30)* 0.8)+(30 * .6) + 10;
**   * **  ****   *  *   *  **     *  ** ** *  ***  *    * *  *****  ** *  *
 *** **   * ****  *** * *** *   ** ***  **   *** * * *  * = *** ** * *  (30*.6) + (20*.8) +10;
 *    *      *****  ***  **  *****   ** *
  *   **  *    * * * **  *  *   * ** * *   ****** ** * **** * =  * *  ** * * *  * ***   *  + 10;
 ***  ***   *** *  *       ****  **   * ** *  * *** ** cost);

}
answered by (-167 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
********     *  ** *
 *   * * **     * * *  

int main()
{
** * *   * * * ***  * * *   a1;
   *  ** **** *** * * ****  ******    * * ** *
*  ****  **** *****   *   < 30)
 *   *** ** *    *     *        ** *  * ** *****    * *    ***** * * *  *    ****  *     ** **   *  

  * **  **   *  ** *  * *  *    **  if(a1 > * ***    **  *  < 50)
**** * **** * ** ****     *** *   **** * *** ** *** **   ****   *  **** *  **  ** * 0.6+(a1-30)*0.8)+10);

*** *       *  ******   ****  *  if(a1 >   ** ** ***   < 60)
**  ** *  *  ******** ***  ** *******  *  *    * *** ***  **   *** *  * * 0.6) + (20 *0.8)+(a1 - 50)*1+10);

***  **    * * **  *  * 
*         *****  **  ** ****     *** * ** **  *     ***   * * * * *     * *  *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
*  * * * * **  * **   
return 0;
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
please remove all newline at the end, it makes your program have wrong output
commented by (12.1k points)
0 like 0 dislike 
Hidden content!
  *     *  * * ** ** 
 ** * ** *** *  ******* 

int main()
{
******  ** ** * * **   *** *** *    a1;
**  *** *** ***  *  * *  ** ** ** *  * * *    *  * * **  **
   * *     ** *** * **  ** **** * < 30)
*   *  ** **  * ** **** * ** * *** ** **    * **   *  ** ** * ****  *** *  * *    *  *  *

 ***  ***    * **** * *    ** if(a1 > * ** ******* < 50)
 * * *   **    * **   ** ********* * * * ** ***  **   * **** **  ** *  * * *  **   * ***  *   ** 

*   ** **** * *  ** *** ****    * if(a1 > **** *   * **   < 60)
  * *** **  *** *   ***** * **** *    * *     *   ** * *   * * **  %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 50)*1+10);

***********  *  ** *  *  *      * *
*   *     * **  ******  **    **  ****  ***  ****  * **  * **  ******  *  **  **  *    *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
*  *   *  *   * 
return 0;
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
* * * * ***   *   ***
* *     *    **  *   **

int main()
{
    *   ****** ******** * ** *   a1;
* **  *        **  *  * * ***   **   **      * ***   ** 
***  *      *  ** * * ** * < 30)
 *  *****   *** ***    * * **** *  **  *** * * *  ** **     ** *********    ****    **  *** 

 *     *    * ** **   *   *  if(a1 > * * *  * *  < 50)
    * ****** ** ** * **    * *** *  **  ****   **   **    *   ** ***  ********  * *  **  ******* *** 

*  * * * *** *    *  ***   if(a1 > * * * **    * ** < 60)
* *  **   ** * ********  ** **      ****    ** * **** *****     *  %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10);

 **   *** * ***     ***    
 * ** **  ***  ** *** * *    * *       * *** *** **  **   ** *    ***      *** **   *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
      * *    * ****   *
return 0;
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.130.92
©2016-2025

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 17k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users